Python Developer Quant

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Overview

My client, a leading global investment bank, is offering a unique opportunity for a talented Python developer to join their cross-asset strategy group. This is a hands-on technical role with real impact, offering the chance to work directly on the trading floor alongside front-office teams.

Applicants do not need to come from a financial services background.

This group operates independently from the traditional IT function, building Python-based tools on the firm’s proprietary platform. These systems provide strategic insight into market risk and PnL across asset classes—and play a central role in the decision-making process across the trading business.

What You’ll Be Working On

You’ll join a key initiative focused on refactoring and redesigning the core market model code that underpins how the firm understands and manages risk and PnL. The goal is to build a cleaner, more efficient, and more transparent foundation for analysing performance across teams.

In this role, you’ll

Collaborate closely with a tight-knit team of 8 developers and strategists

Write, optimise and debug Python code on the firm’s in-house platform

Work with existing risk and PnL models, improving their performance and design

Simplify and modernise legacy systems for greater efficiency and maintainability

This is an opportunity to take on intellectually challenging work in a highly technical environment. You’ll gain first-hand exposure to financial markets and be supported in developing any domain knowledge needed along the way.

We’d like to hear from you if

You’re passionate about programming and have worked across different languages or paradigms

You’ve built a scripting language—or at least thought deeply about how you might

You enjoy functional programming and algorithmic problem-solving

You have strong mathematical intuition and are keen to apply it in a real-world context

You’re curious about financial markets and eager to grow your understanding

Ideal background

Proficiency in Python, or similar languages such as C++, Java, or Lisp

Excellent problem-solving and analytical thinking

Strong communication skills and the ability to work collaboratively

A Bachelor’s or Master’s degree in Computer Science, Mathematics, Engineering, Finance, or a related field

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Finance and Information Technology

Industries

Investment Banking and Financial Services

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